Comparison

Authenticator App ⋆ vs KyPDF

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Authenticator App ⋆

Enhance your online security by generating and storing 2FA and MFA codes for various services. Securely log in to accounts with time-based one-time passwords and easily copy codes to your clipboard.

Highlights
  • Generate 2FA/MFA codes
  • Support for popular services
  • Scan QR codes to add services
  • Time-based one-time passwords (TOTP)
  • Copy codes to clipboard
  • End-to-end encryption
  • FaceID/TouchID unlock
Features
Read full description

Improve the security of your online accounts with our best in class Authenticator App. The Authenticator App allows you to secure your online accounts using 2FA (two-factor authentication). Scan and store 2FA and MFA codes for services such as Twitter, Instagram, Facebook, Google, Microsoft, Amazon, Roblox and many more. Features Include: • Allows you to securely login to your online accounts with 2FA • Supports 2FA for popular services such as Facebook, Instagram, Google, Amazon, Microsoft, Roblox and many more • Scan and use secure two-factor (2FA) and multi-factor (MFA) authentication tokens • Scan QR Codes with your phone's camera to add a service • Support for time-based one-time password (TOTP) and OTP • Copy codes to the clipboard with one click • Secure end to end encryption for codes • Animated timer and auto code expiration cycling • Secure and unlock codes with FaceID and TouchID Terms & Privacy: • Terms of Use: https://silverelmsys.com/authenticator/terms_of_use.html • Privacy Policy: https://silverelmsys.com/authenticator/privacy_policy.html

About

KyPDF

Features
Read full description

KyPDF is your all-in-one PDF toolkit — right on your iPhone, no cloud, no fuss. Everything happens 100% on your device. No files are uploaded to any server, there's no login, and we collect zero data. Real privacy. CAPTURE & CREATE • Scan documents with the camera • Turn photos into PDF • Create a PDF from text or Markdown CONVERT • PDF to Word, PowerPoint and Excel • Word, PowerPoint and Excel to PDF • HTML to PowerPoint — editable native slides (text, shapes and colors) • PDF to images (PNG/JPG) and searchable PDF (on-device OCR) • PDF/A for archiving EDIT & ORGANIZE • Merge, split, reorder, duplicate and resize pages • Compress to reduce file size • Sign (draw your signature), watermark, header & footer, page numbers, crop • Extract pages and images, 2/4-up and booklet, grayscale PROTECT • Add or remove a password • Redaction — permanently cover sensitive data • Edit or clear metadata READ • Listen to your PDF read aloud (free) WHY KYPDF • 100% offline — your documents never leave the iPhone • No ads, no tracking • Fast, clean, native interface with light/dark mode and Dynamic Type • Broad VoiceOver, Larger Text, Contrast and Reduce Motion support KYPDF PRO The free plan includes 3 uses per week of each tool. Subscribe to KyPDF Pro (monthly) or unlock forever with the lifetime purchase for unlimited use of all current and future tools. The subscription renews automatically and can be canceled anytime in App Store settings; the lifetime purchase is a one-time payment. ——— Terms of Use (EULA): https://devbertini.github.io/kypdf/terms/ Privacy Policy: https://devbertini.github.io/kypdf/privacy/ KyPDF Pro: Monthly (R$ 4.90/month, automatic renewal) or Lifetime (R$ 299, one-time payment). Billing is done through your Apple ID; the subscription renews automatically unless canceled up to 24 hours before the end of the period. Manage or cancel in the App Store settings.

Screenshots

Authenticator App ⋆4 screens
KyPDF4 screens

Verdict

The call

The clearest difference is in-app purchases: Authenticator App ⋆ at none against KyPDF's 2. Authenticator App ⋆ also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.0). KyPDF's advantage is update cadence (every 4 days vs every 9 days). On price and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. KyPDF sells 2 in-app purchases, starting at $0.99 per month. Authenticator App ⋆ asks for nothing beyond the download.

UpkeepUpdate frequency

Authenticator App ⋆ ships an update every 9 days, KyPDF every 4 days. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
Authenticator App ⋆ versus KyPDF: the parameters behind the verdict, then further details
ParameterAuthenticator App ⋆KyPDF
PriceFreeFree
Rating4.0 (47 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings47 — better—
Update frequencyEvery 9 daysEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better18.0
Further details — not scored
Size11 MB4 MB
Age rating4+4+
DeveloperSilver Elm Systems LLCClaudio Bertini Batista

In-app purchases

None

Authenticator App ⋆

No in-app purchases

2 purchases

KyPDF

Subscriptions1
  • Month7 Days trial$0.991 Month
One-time1
  • Lifetime$49.99

Questions

Is Authenticator App ⋆ free?
Authenticator App ⋆ is free to download, with no in-app purchases.
Is KyPDF free?
KyPDF is free to download, with in-app purchases available.
Do Authenticator App ⋆ or KyPDF have ads?
Neither Authenticator App ⋆ nor KyPDF shows ads.
Which is updated more often, Authenticator App ⋆ or KyPDF?
Authenticator App ⋆ ships an update every 9 days, and KyPDF every 4 days. Most recently, Authenticator App ⋆ was updated on September 22, 2026 and KyPDF on September 23, 2026.

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